at Google ScholarTitle data
Bykova, Elena ; Parakhonskiy, Gleb ; Dubrovinskaia, Natalia ; Chernyshov, Dmitry ; Dubrovinsky, Leonid:
The crystal structure of aluminum doped β-rhombohedral boron.
In: Journal of Solid State Chemistry.
Vol. 194
(2012)
.
- pp. 188-193.
ISSN 0022-4596
DOI: https://doi.org/10.1016/j.jssc.2012.05.011
Abstract in another language
A crystal structure of aluminum doped β-rhombohedral boron was studied by single-crystal X-ray diffraction at 80 K. The crystals were synthesized using high-pressure high temperature technique at 3 {GPa} and 2100 K. The structure is based on three-dimensional framework made of {B12} icosahedra with voids occupied by the B28–B–B28 units, it has the R-3m space group with a=10.9014(3), c=23.7225(7) Å lattice dimensions in hexagonal setting. Aluminum atoms are located in {A1} and D special positions of the β-B structure with occupancies of 82.7(6) and 11.3(4), respectively. Additional boron atoms are located near the D-site. Their possible distribution is discussed. Finally we have found two appropriate structural models whose refinement suggests two possible chemical compositions, AlB44.8(5) and AlB37.8(5), which are in a good agreement with the chemical analysis data obtained from EDX. The crystal structure of AlB44.8(5) is described in detail.
Further data
| Item Type: | Article in a journal |
|---|---|
| Refereed: | Yes |
| Keywords: | High-pressure synthesis |
| Institutions of the University: | Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Chair Crystallography Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Professor Materials Physics and Technology at Extreme Conditions > Professor Materials Physics and Technology at Extreme Conditions - Univ.-Prof. Dr. Natalia Doubrovinckaia Faculties Faculties > Faculty of Mathematics, Physics und Computer Science Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Professor Materials Physics and Technology at Extreme Conditions |
| Result of work at the UBT: | Yes |
| DDC Subjects: | 500 Science > 530 Physics |
| Date Deposited: | 30 Jul 2015 06:35 |
| Last Modified: | 01 Jun 2022 11:30 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/17246 |